add look http hook

2 files changed, 61 insertions, 3 deletions

diff --git a/pkg/server/hook/look-http.go b/pkg/server/hook/look-http.go
new file mode 100644
index 0000000..d467563
--- /dev/null
+++ b/pkg/server/hook/look-http.go
@@ -0,0 +1,58 @@
+package hook
+
+import (
+	"bufio"
+	"strings"
+	"tunnel/pkg/server/env"
+	"tunnel/pkg/server/opts"
+	"tunnel/pkg/server/queue"
+)
+
+type lookHttpHook struct{}
+
+type lookHttp struct {
+	env env.Env
+}
+
+func (look *lookHttp) Send(rq, wq queue.Q) error {
+	q := queue.New()
+	s := bufio.NewScanner(q.Reader())
+
+	go func() {
+		for b := range rq {
+			q <- b
+			wq <- b
+		}
+
+		close(q)
+	}()
+
+	if s.Scan() {
+		if w := strings.Split(s.Text(), " "); len(w) > 1 {
+			switch m := strings.ToUpper(w[0]); m {
+			case "CONNECT", "GET", "POST":
+				look.env.Set("look.info", m+" "+w[1])
+			}
+		}
+	}
+
+	q.Dry()
+
+	return nil
+}
+
+func (look *lookHttp) Recv(rq, wq queue.Q) error {
+	return queue.Copy(rq, wq)
+}
+
+func (lookHttpHook) Open(env env.Env) (interface{}, error) {
+	return &lookHttp{env: env}, nil
+}
+
+func newLookHttpHook(opts opts.Opts, env env.Env) (hook, error) {
+	return lookHttpHook{}, nil
+}
+
+func init() {
+	register("look-http", newLookHttpHook)
+}
diff --git a/pkg/server/tunnel.go b/pkg/server/tunnel.go
index 1bb21b4..79734b9 100644
--- a/pkg/server/tunnel.go
+++ b/pkg/server/tunnel.go
@@ -203,8 +203,8 @@ func (s *stream) info() string {
 		d = s.until.Sub(s.since).Milliseconds()
 	}
 
-	return fmt.Sprintf("%.3fs %d/%d -> %d/%d",
-		float64(d)/1000.0,
+	return fmt.Sprintf("%.3fs [%s] %d/%d -> %d/%d",
+		float64(d)/1000.0, s.env.Get("look.info"),
 		s.m.in.tx,
 		s.m.in.rx,
 		s.m.out.rx,
@@ -501,7 +501,7 @@ func showRecent(r *request) {
 	foreachTunnel(r.c.s.tunnels, func(t *tunnel) {
 		t.mu.Lock()
 		streams = append(streams, t.recent...)
-		defer t.mu.Unlock()
+		t.mu.Unlock()
 	})
 
 	sort.SliceStable(streams, func(i, j int) bool {